What this means
The IEEE assigned the MA-L block 30B0EA to Shenzhen Chuangxin Internet Communication Technology Co., Ltd. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 30:B0:EA, it is Shenzhen Chuangxin Internet Communication Technology Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 30B0EA?
30B0EA is registered to Shenzhen Chuangxin Internet Communication Technology Co., Ltd in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Shenzhen Chuangxin Internet Communication Technology Co., Ltd's block covers 16,777,216 addresses.
What devices use 30B0EA?
Any network device with a MAC address starting 30:B0:EA was manufactured by or for Shenzhen Chuangxin Internet Communication Technology Co., Ltd.